Last updated: March 2026

PowerProtect 26kW

Power: 26kW LP / 24kW NG
Installed Cost: $14,000–$20,000
Noise: 65 dB
Weight: 540 lbs
Warranty: 7 years
Fuel: Dual-fuel (NG/LP)

Best for: Large homes with heavy motor loads. 65.5 kVA motor starting: highest in residential.

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65.5 kVA of motor starting capacity. That's 68% more than any other residential standby generator at this size. If you have a large AC compressor, well pump, and pool pump that all need to start under load, the B&S 26kW handles simultaneous motor surges that would trip a competing brand.

What This Generator Keeps Running

5-ton AC with authority, electric water heater, range, dryer (with Symphony Choice load management cycling them), refrigerator, freezer, all lighting, home office, well pump, sump pump, pool pump.

Limitations: Very few residential scenarios exceed 26kW. Multiple Level 2 EV chargers + 5-ton AC would be the edge case.

What It Actually Costs

Unit price

$6,833

Installed

$14,000–$20,000

$6,833 unit: cheapest 26kW on the market. $156 less than Generac, $466 less than Kohler. Installed costs converge across all three brands.

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How Loud Is It?

65 dB: quietest B&S model. Matches Cummins. Quieter than Generac (67 dB) at full speed.

How Big Is It?

46.5" × 26.8" × 28.4". 540 lbs.

Maintenance

Vanguard Commercial-Grade (993cc V-Twin). EnergyTrak compatible (newer monitoring platform).

Pros & Cons

What's good

✓65.5 kVA motor starting: 68% more than any competitor
✓65 dB: quietest B&S, competitive with Cummins
✓24 kW on NG: matches Kohler, beats Generac (22.5)
✓7-year comprehensive warranty
✓$6,833 cheapest 26kW unit
✓Dual 200A / Split 400A ATS option for complex setups

What's not

✗B&S customer service reputation applies here too
✗Paid monitoring even on EnergyTrak
✗Bankruptcy/PE ownership concerns
✗540 lbs: not as robust-feeling as Kohler 26RCA at 625 lbs
✗Most homes don't need 65.5 kVA: paying for overkill capacity

Frequently Asked Questions

Who needs 65.5 kVA of motor starting?▾

Homes with multiple large motors that may start simultaneously: two AC zones, well pump, pool pump, workshop equipment. For a single AC system with standard loads, 39–45 kVA is sufficient.

B&S 26kW vs Kohler 26RCA?▾

B&S: more motor starting (65.5 vs 39 kVA), quieter at full speed (65 vs 67 dB), cheaper ($6,833 vs $7,299), longer warranty (7 vs 5 years). Kohler: heavier build (625 vs 540 lbs), quietest exercise mode (56 dB), 10-year warranty promotion.

Is the B&S 26kW reliable?▾

The Vanguard engine is well-regarded in commercial applications. The generator gets positive reliability marks. The weak link is customer service: plan to rely on your installer for support, not the manufacturer.

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